* {
    margin: 0;
    padding: 0;
}

#mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 150px;
    height: 100%;
    background-color: #373737;
    z-index: 9999;
}

a:hover,
a:focus {
    text-decoration: none
}

.mobile-nav ul li a {
    color: gray;
    display: block;
    padding: 1em 5%;

    border-bottom: 1px solid #292929;
    transition: all 0.2s ease-out;
    cursor: pointer;
}

#mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 150px;
    height: 100%;
    background-color: #373737;
    z-index: 9999;
    transition: all 0.3s ease-in;
}

.mobile-nav ul li a:hover {
    background-color: rgb(192, 192, 192, 0.7);
    color: #ffffff;
}

.show-nav {
    transform: translateX(0);
}

.hide-nav {
    transform: translateX(-220px);
}

/*侧滑关键*/
.mobile-nav-taggle {
    width: 35px;
    line-height: 35px;
    width: 35px;
    background-color: rgb(192, 192, 192, 0.7);
    color: #ffffff;
    display: inline-block;
    text-align: center;
    cursor: pointer
}

.nav.avbar-inverse {
    position: relative;
}

.nav-btn {
    position: absolute;
    right: 20px;
    top: 20px;
}

.dropdown-menu {
    width: 220px;
}

#headingOne,
#headingTwo,
#headingFour,
#headingThree {
    background-color: #373737;
    border: none
}

#headingOne a,
#headingTwo a,
#headingFour a,
#headingThree a {
    color: #888888;
}

.panel {
    border: none
}
